Deck 12: The Cardiovascular System

Question 1

How do you know this is a capillary?

A)There is a lumen.
B)It has the simplest structure; very thin.
C)There is endothelium.
D)The branching seen here is only found in capillaries.

Answer 1

B

Question 2

How do you know this is a picture of a vein?

A)There is a lumen.
B)There is muscle present.
C)There is a valve.
D)It has a thick wall.

Answer 2

C

Question 3

What is happening during the phase labeled A?

A)Semilunar valve closure
B)AV valve closure
C)Atrial depolarization
D)Ventricular repolarization

Answer 3

C

Question 4

The flow of blood from the right side of the heart through the lungs and back to the left atrium is called?

A)Pulmonary circulation
B)Coronary circulation
C)Portal circulation
D)Systemic circulation

Question 5

What is the purpose of precapillary sphincters?

A)They regulate blood flow to the heart.
B)They change the amount of blood flowing into capillary beds.
C)They are muscles that pump blood back to the heart.
D)They contract when the tissues need more oxygen and nutrients.

Question 6

What is the function of the structure labeled B?

A)It pulls the valves open.
B)It prevents closure of the valves.
C)It prevents the valves from projecting into the atria.
D)It helps push blood from the ventricles into the atria.

Question 7

What is the key risk of hypertension?

A)Genetic damage
B)Arrhythmias
C)Organ damage
D)Stroke

Question 8

Which of the following structures delays contraction of the heart?

A)Purkinje fibers
B)SA node
C)AV bundle
D)AV node

Question 9

Regarding structure C,where is the blood heading as it passes this structure?

A)Head
B)Lungs
C)Heart
D)Body

Question 10

What is the name of the blood vessels that take blood away from the heart?

A)Arteries
B)Veins
C)Venules
D)Capillaries

Question 11

What is the name of the membrane that surrounds the heart?

A)Pericardium
B)Pleurae
C)Peritoneum
D)Synovium

Question 12

What is happening during the phase labeled B?

A)Atrial depolarization
B)Ventricular depolarization
C)Ventricular repolarization
D)AV valve closure

Question 13

Which type of circulation sends nutrient rich blood from the gastrointestinal tract to the liver?

A)Coronary
B)Portal
C)Pulmonary
D)Systemic

Question 14

What is the function of the valves in veins?

A)They act as pumps to move blood forward.
B)Collection area for plaque.
C)Prevention of forward blood flow.
D)Prevention of backward blood flow.

Question 15

Which is the most specific type of circulation that sends oxygen-rich blood to the tissues of the heart?

A)Coronary
B)Portal
C)Pulmonary
D)Systemic

Question 16

What is the name of the structure labeled A?

A)Right atrium
B)Left atrium
C)Right ventricle
D)Left ventricle

Question 17

Which letter identifies the tricuspid valve?

A)A
B)B
C)C
D)D

Question 18

What causes the characteristic heart sounds that a doctor hears when using a stethoscope?

A)The atria contracting
B)The ventricles contracting
C)The closure of the heart valves
D)The opening of the heart valves

Question 19

How does Starling's law relate to the heart?

A)Our heart beats faster during extreme stress.
B)Blood pressure increases due to contraction of blood vessels.
C)Less oxygen in the blood will increase the heart rate.
D)The heart beats with more force when there is an increase in blood volume returning to the heart.

Question 20

What is the name of the structure that initiates the heartbeat?

A)AV node
B)Purkinje fibers
C)Bundle branches
D)SA node

Question 21

Which of the following is a formed element of the blood?

A)Albumin
B)Ions
C)Plasma
D)Platelets

Question 22

The tricuspid valve is located between the left ventricle and the aorta.

Question 23

What type of blood may be given to a person with type O blood?

A)A
B)B
C)O
D)AB

Question 24

A weak spot in a blood vessel that could potentially burst is known as a(n):

A)aneurysm.
B)plaque.
C)myocardial infarction.
D)edema.

Question 25

The mitral valve is most prone to prolapse,a condition that is more common in women.

Question 26

What conditions exist during exercise that prompts hemoglobin to drop off its oxygen to the working muscle cells?

A)Low pH and low temperature
B)High pH and high temperature
C)High pH and low temperature
D)Low pH and high temperature

Question 27

What is the name of this procedure?

A)By-pass surgery
B)Placement of a stent
C)Balloon angioplasty
D)Defibrillation

Question 28

Which white blood cell attacks parasitic worms?

A)Basophil
B)Eosinophil
C)Lymphocyte
D)Monocyte

Question 29

Which of the following white blood cells is the largest?

A)Neutrophil
B)Eosinophil
C)Monocyte
D)Lymphocyte

Question 30

Which cell is involved in fighting parasitic worms?

A)A
B)B
C)C
D)D

Question 31

Hypertension is:

A)also known as a heart attack.
B)high blood pressure.
C)a weak heart.
D)pain in the heart.

Question 32

The threads of a blood clot are formed by:

A)thrombin.
B)prothrombin activator.
C)platelet plug.
D)fibrin.

Question 33

What type of white blood cell is this?

A)Neutrophil
B)Basophil
C)Eosinophil
D)Monocyte

Question 34

Which letter identifies the smooth muscle layer?

A)A
B)B
C)C
D)D

Question 35

The ventricles are thicker than the atria because they must pump blood farther.

Question 36

The component of plasma that maintains the osmotic pressure of blood is:

A)water.
B)electrolytes.
C)protein.
D)nutrients.

Question 37

Where is the contraction impulse delayed?

A)A
B)B
C)C
D)D

Question 38

An unknown blood sample is mixed with anti-B agglutinins and it clumps.The same sample is mixed with anti-A agglutinins and it does not clump.The blood is type:

A)A
B)B
C)O
D)AB

Question 39

A lack of vitamin B12 can cause:

A)HIV.
B)mononucleosis.
C)carbon monoxide poisoning.
D)anemia.

Question 40

What condition usually develops as a result of congestive heart failure?

A)Aneurysm
B)Hypertension
C)Atherosclerosis
D)Pulmonary edema

Question 41

When plaque blocks a coronary artery,the resulting tissue death leads to a heart attack.

Question 42

Having type AB means,you have both the A and B antigens on your red blood cells.

Question 43

The coronary circulation is actually part of the systemic circulation.

Question 44

Hemoglobin is a protein in white blood cells that destroys pathogens like bacteria.

Question 45

A menstruating woman could become anemic due to too much blood loss.

Question 46

Dietary restrictions,moderate exercise,reducing smoking and drinking,and medications are used to control hypertension.

Question 47

Blood slows down in arterioles due to the large cross-sectional area.

Question 48

Hypertension is a risk factor for cardiovascular disease.

Question 49

A clot that blocks flow to the brain can lead to stroke.